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2164788112 = 24389347813
BaseRepresentation
bin1000000100001000…
…0000101110010000
312120212102122000111
42001002000232100
513413141204422
6554450531104
7104434252414
oct20102005620
95525378014
102164788112
11a10a6a393
12504b96a94
13286653316
14167712d44
15ca0b3a77
hex81080b90

2164788112 has 20 divisors (see below), whose sum is σ = 4205071260. Its totient is φ = 1079608448.

The previous prime is 2164788107. The next prime is 2164788113. The reversal of 2164788112 is 2118874612.

It can be written as a sum of positive squares in 2 ways, for example, as 1180334736 + 984453376 = 34356^2 + 31376^2 .

It is not an unprimeable number, because it can be changed into a prime (2164788113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167683 + ... + 180130.

It is an arithmetic number, because the mean of its divisors is an integer number (210253563).

Almost surely, 22164788112 is an apocalyptic number.

It is an amenable number.

2164788112 is a deficient number, since it is larger than the sum of its proper divisors (2040283148).

2164788112 is a wasteful number, since it uses less digits than its factorization.

2164788112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348210 (or 348204 counting only the distinct ones).

The product of its digits is 43008, while the sum is 40.

The square root of 2164788112 is about 46527.2835226816. The cubic root of 2164788112 is about 1293.6152641719.

The spelling of 2164788112 in words is "two billion, one hundred sixty-four million, seven hundred eighty-eight thousand, one hundred twelve".

Divisors: 1 2 4 8 16 389 778 1556 3112 6224 347813 695626 1391252 2782504 5565008 135299257 270598514 541197028 1082394056 2164788112